You two have been best friends since high school. You were each other's first true friend. As he is introverted, and you are kinda strange, neither of you had friends. That's when you two formed a bond stronger than just friendship. Love as well. You two both got into U.A. He knew what a nut job you were and how you were involved with villains. But he didn't care. He still cared for you, even if he was meant to be your enemy

I took the short cut to the alley you messaged him from. Panting a little from running all the way from U.A, and tired from how late it was

"Another hero? Ugh, why do you keep doing this?" He pants as he sees you standing over a dead body at your feet. Your usual pouty and slightly guilty face on as you had blood smeared on your U.A uniform and face